Statistics – Computation
Scientific paper
Jul 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...357..175d&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 357, July 1, 1990, p. 175-187. Research supported by the University of Toro
Statistics
Computation
39
Computational Astrophysics, Stellar Evolution, Stellar Interiors, Stellar Rotation, Two Dimensional Models, Boundary Value Problems, Conservation Laws, Main Sequence Stars, Stellar Models
Scientific paper
A fully implicit two-dimensional hydrodynamic and hydrostatic code has been developed for studying stellar evolution with arbitrary rotation laws. The technique, a simultaneous linearization of the two-dimensional corservation laws and all the boundary conditions, is described in detail. Several evolutionary sequences with uniform and nonuniform rotation are evolved through core hydrogen burning. For uniform rotation, the main-sequence models are compared with those of another code obtained under nearly identical conditions. The method appears to be robust and shows promise of being able to deal with the determination of the evolution of the rotation law during the course of the stellar evolution.
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